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Title:
ELECTRIC FIELD ELECTRON RADIATOR STRUCTURE AND MANUFACTURE OF PATH EMITTING GETTER MATERIAL FROM ACTIVITY
Document Type and Number:
Japanese Patent JPH04229923
Kind Code:
A
Abstract:
PURPOSE: To provide a structure and its manufacturing method by which materials emitted from a structure as a gas to an active electronic area of an electric field electron radiator can be easily removed. CONSTITUTION: A conductive base 12, a pointed electric field electron radiator 14 projected from surfaces of a plurality of bases, electrode means 22 where the part which is adjacent to the tip 14a of the electric field electron radiator 14 is separated by an opening space and a passage 20 which connects the opening space each other are provided. The material emitted as a gas by the passage 20 is promptly exhausted to the outside.

Inventors:
ROBAATO TEII RONGO
ZAHAA BARUDAI
AASAA II MANORII
RARUFU FUOOMAN
RANDEI KEE RORUFU
Application Number:
JP17413391A
Publication Date:
August 19, 1992
Filing Date:
July 15, 1991
Export Citation:
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Assignee:
HUGHES AIRCRAFT CO
International Classes:
H01J1/304; H01J9/02; H01J9/39; H01J7/18; H01J21/10; H01J29/94; H01J31/12; (IPC1-7): H01J1/30; H01J9/02; H01J31/12
Domestic Patent References:
JPS6454650A1989-03-02
JPS5172278A1976-06-22
JPS53126859A1978-11-06
Attorney, Agent or Firm:
Takehiko Suzue